29125433980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1\times {\mathrm{20089}}^1$

素因数の和:21190

約数の個数: 48

約数和(自身を含む): 62088707520

約数和(自身を除く): 32963273540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1021, 1420, 2042, 4084, 5105, 10210, 20089, 20420, 40178, 72491, 80356, 100445, 144982, 200890, 289964, 362455, 401780, 724910, 1426319, 1449820, 2852638, 5705276, 7131595, 14263190, 20510869, 28526380, 41021738, 82043476, 102554345, 205108690, 410217380, 1456271699, 2912543398, 5825086796, 7281358495, 14562716990, 29125433980]

約数ペア:

[(1, 29125433980), (2, 14562716990), (4, 7281358495), (5, 5825086796), (10, 2912543398), (20, 1456271699), (71, 410217380), (142, 205108690), (284, 102554345), (355, 82043476), (710, 41021738), (1021, 28526380), (1420, 20510869), (2042, 14263190), (4084, 7131595), (5105, 5705276), (10210, 2852638), (20089, 1449820), (20420, 1426319), (40178, 724910), (72491, 401780), (80356, 362455), (100445, 289964), (144982, 200890)]